KEIHIN PWK 41mm Carburetor

The 41mm carburetor sold here is a Genuine Keihin 39mm that has bee taper bore. 

Keihin does not officially sell the 41mm PWK carburetor.

It measures 40.5mm at the slide (max possible spec) and 41.5mm where the throat meets the intake

Producing power without compromise

The motocross world knows PWK. Keihin PWK carburetors is the dominant carb on the factory motocross machines. Because of their great performance they come stock on a lot of the leading brand bikes. With these features you can take advantage of Keihin's superior performance.

PWK Features

• Chromed semi-flat (D) throttle valve for excellent response and more flow at high RPM.
• Throttle bores sized to give maximum power
• Easy jetting with jetting parts available.
• Quad Vents: Eliminates post jump bogging from fuel plugged vent passages
• PWK Air Strikers: Directs air to main nozzle for improved signal and throttle response.